@article{10929,
  author = {John Jefferies},
  title = {Line transfer problems},
  year = {1963},
  journal = {Journal of Quantitative Spectroscopy and Radiative Transfer},
  volume = {3},
  pages = {217-220},
  month = {Jan-04-1963},
  issn = {00224073},
  url = {http://linkinghub.elsevier.com/retrieve/pii/0022407363900694},
  doi = {10.1016/0022-4073(63)90069-4},
}